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Multi-terrain runs in South East

Find multi-terrain runs near me in South East for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

Entries closed
A coastal trail ultra through the ancient village of Bosham towards Chichester Harbour with panoramic views of this AONB, to finish at the fantastic basecamp with food and bars.
  • Sat 21 Jun
  • £80-£85
  • Entries closed
  • Sat 21 Jun
  • £80-£85
  • Entries closed
Chichester, West Sussex, UK

Race to the King | Coastal 50K

A coastal trail ultra through the ancient village of Bosham towards Chichester Harbour with panoramic views of this AONB, to finish at the fantastic basecamp with food and bars.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 1885 ft ascent
Entries closed
Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.
  • Sat 21 Jun
  • £170-£180
  • Entries closed
  • Sat 21 Jun
  • £170-£180
  • Entries closed
Chichester, West Sussex, UK

Race to the King | 100K

Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 4619 ft ascent
Entries closed
Head through the historic town of Arundel and witness the impressive Arundel Castle as you meander along the River Arun, across the South Downs in breathtaking surroundings.
  • Sat 21 Jun
  • £80-£85
  • Entries closed
  • Sat 21 Jun
  • £80-£85
  • Entries closed
Chichester, West Sussex, UK

Race to the King | Castle 50K

Head through the historic town of Arundel and witness the impressive Arundel Castle as you meander along the River Arun, across the South Downs in breathtaking surroundings.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 50 km trail running + 2663 ft ascent
Take on the full 100K ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route to finish at the 5000-year-old Avebury standing stones.
  • Sat 12 Jul
  • £180-£190
  • 7 charities
  • Sat 12 Jul
  • £180-£190
  • 7 charities
Watlington, Oxfordshire, UK

Race to the Stones | 100K Non-stop

Take on the full 100K ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route to finish at the 5000-year-old Avebury standing stones.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 3704 ft ascent
Take on the full 100K Race to the Stones ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.
  • Sat 12 Jul
  • £260-£270
  • 5 charities
  • Sat 12 Jul
  • £260-£270
  • 5 charities
Watlington, Oxfordshire, UK

Race to the Stones | 100K Two Days with camping

Take on the full 100K Race to the Stones ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 3704 ft ascent
Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point (ideal if you'd prefer not to camp).
  • Sat 12 Jul
  • £170-£180
  • Sat 12 Jul
  • £170-£180
Watlington, Oxfordshire, UK

Race to the Stones | 100K Two Days no camping

Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point (ideal if you'd prefer not to camp).

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 3704 ft ascent
Starting in Lewknor, this event presents a varied and scenic route steeped in history. Crossing England’s longest river at the halfway mark, the course finishes at the iconic Lattin Down basecamp.
  • Sat 12 Jul
  • £85-£180
  • 5 charities
  • Sat 12 Jul
  • £85-£180
  • 5 charities
Watlington, Oxfordshire, UK

Race to the Stones | Day One | Thames Valley 50K

Starting in Lewknor, this event presents a varied and scenic route steeped in history. Crossing England’s longest river at the halfway mark, the course finishes at the iconic Lattin Down basecamp.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 710 m ascent
Sticking to higher ground, you'll pass through a surprisingly isolated stretch of southern England and enjoy dramatic views before finishing with the full 100K at the awesome Avebury Standing Stones.
  • Sun 13 Jul
  • £85-£180
  • 5 charities
  • Sun 13 Jul
  • £85-£180
  • 5 charities
Wantage, Oxfordshire, UK

Race to the Stones | Day Two | Ridgeline 50K

Sticking to higher ground, you'll pass through a surprisingly isolated stretch of southern England and enjoy dramatic views before finishing with the full 100K at the awesome Avebury Standing Stones.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 630 m ascent
The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.
  • Sat 6 - Sun 7 Sep
  • £199
  • 14 charities
  • Sat 6 - Sun 7 Sep
  • £199
  • 14 charities
Polegate, East Sussex, UK

South Coast Ultra Challenge | Full 100km continuous

The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2100 m ascent
A true steeplechase race across the breathtaking scenery of the ancient trails surrounding the medieval town of Rye in East Sussex, linking Norman churches as you go.
  • Sun 14 Sep
  • £28
  • Sun 14 Sep
  • £28
Rye, East Sussex, UK

Rye Ancient Trails 15K

A true steeplechase race across the breathtaking scenery of the ancient trails surrounding the medieval town of Rye in East Sussex, linking Norman churches as you go.

  • Chip timing
  • Enter online
  • Undulating
  • Age 16 & over
  • 15 km multi terrain running
A truly breathtaking multi-terrain race through the High Weald Area of Outstanding Natural Beauty in East Sussex. A race that enchants and delights at every twist and turn.
  • Sun 14 Sep
  • £32
  • Sun 14 Sep
  • £32
Rye, East Sussex, UK

Rye Ancient Trails 30K

A truly breathtaking multi-terrain race through the High Weald Area of Outstanding Natural Beauty in East Sussex. A race that enchants and delights at every twist and turn.

  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
  • 30 km multi terrain running
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
  • Sat 20 Sep
  • 4 charities
  • Sat 20 Sep
  • 4 charities
Horsham, West Sussex, UK

Tough Mudder London South | 15K - Saturday

Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 15 km multi terrain running
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
  • Sat 20 Sep
  • 3 charities
  • Sat 20 Sep
  • 3 charities
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Saturday

Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
  • Sun 21 Sep
  • 4 charities
  • Sun 21 Sep
  • 4 charities
Horsham, West Sussex, UK

Tough Mudder London South | 15K - Sunday

Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 15 km multi terrain running
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
  • Sun 21 Sep
  • 3 charities
  • Sun 21 Sep
  • 3 charities
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Sunday

Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.
  • Sat 11 Oct
  • £40
  • Sat 11 Oct
  • £40
Edenbridge, Kent, UK

Hever Castle Commando Obstacle Festival | 3K | Saturday

Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.

  • Chip timing
  • Enter online
  • Age 7 & over
  • 3 km multi terrain running
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.
  • Sat 11 Oct
  • £45-£210
  • Sat 11 Oct
  • £45-£210
Edenbridge, Kent, UK

Hever Castle Commando Obstacle Festival | 6K | Saturday

Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.

  • Chip timing
  • Enter online
  • Age 8 & over
  • 6 km multi terrain running
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.
  • Sat 11 Oct
  • £100-£120
  • Sat 11 Oct
  • £100-£120
Edenbridge, Kent, UK

Hever Castle Commando Obstacle Festival | 12K | Saturday

Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.

  • Chip timing
  • Enter online
  • Age 16 & over
  • 12 km multi terrain running
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.
  • Sun 12 Oct
  • £40
  • Sun 12 Oct
  • £40
Edenbridge, Kent, UK

Hever Castle Commando Obstacle Festival | 3K | Sunday

Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.

  • Chip timing
  • Enter online
  • Age 7 & over
  • 3 km multi terrain running
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course adapted from Royal Marines Commando training.
  • Sun 12 Oct
  • £45-£210
  • Sun 12 Oct
  • £45-£210
Edenbridge, Kent, UK

Hever Castle Commando Obstacle Festival | 6K | Sunday

Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course adapted from Royal Marines Commando training.

  • Chip timing
  • Enter online
  • Age 8 & over
  • 6 km multi terrain running
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course adapted from Royal Marines Commando training.
  • Sun 12 Oct
  • £100-£120
  • Sun 12 Oct
  • £100-£120
Edenbridge, Kent, UK

Hever Castle Commando Obstacle Festival | 12K | Sunday

Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course adapted from Royal Marines Commando training.

  • Chip timing
  • Enter online
  • Age 16 & over
  • 12 km multi terrain running
A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!
  • Sat 25 Oct
  • £26-£37.50
  • Sat 25 Oct
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Oct | 10K

A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!

  • Enter online
  • Age 15 & over
  • 10 km multi terrain running
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sat 25 Oct
  • £26-£37.50
  • Sat 25 Oct
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Oct | Half Marathon

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles multi terrain running
A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run a cool 1-2 loops instead, depending on how you feel on the day!
  • Sat 25 Oct
  • £26-£37.50
  • Sat 25 Oct
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Oct | Full Marathon

A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run a cool 1-2 loops instead, depending on how you feel on the day!

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles multi terrain running
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
  • Sat 25 Oct
  • £26-£37.50
  • Sat 25 Oct
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Oct | 40 Mile Ultramarathon

A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.

  • Enter online
  • Undulating
  • Age 18 & over
  • 40 miles multi terrain running

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